Unit testing courses can help you learn the principles of test-driven development, writing effective test cases, and debugging techniques. You can build skills in identifying edge cases, ensuring code coverage, and automating tests to streamline workflows. Many courses introduce tools such as JUnit, NUnit, and pytest, that support implementing unit tests in various programming languages, allowing you to apply your skills in real coding environments.

University of Virginia
Skills you'll gain: Agile Product Development, User Story, Design Thinking, Product Improvement, Agile Methodology, Agile Software Development, Product Development, Sprint Retrospectives, Usability Testing, Agile Project Management, User Centered Design, User Research, Persona Development, Innovation, Product Management, Discussion Facilitation, Storytelling, Software Development, Testability
Beginner · Course · 1 - 4 Weeks
Skills you'll gain: Generative AI Agents, Prompt Engineering, Agentic systems, Artificial Intelligence and Machine Learning (AI/ML), Generative AI, Artificial Intelligence, AI Security, Model Deployment, Large Language Modeling, Application Deployment, Development Environment, Security Testing, Responsible AI, Virtual Environment, Software Development, Python Programming, Software Testing, Microsoft Visual Studio, Computer Programming, Software Design
Intermediate · Course · 1 - 3 Months

Instituto Tecnológico de Aeronáutica
Skills you'll gain: Test Driven Development (TDD), Unit Testing, JUnit, Program Development, Test Case, Test Automation, Software Testing, Testability, Maintainability, Software Design, Software Development, Object Oriented Design, Application Design, Programming Principles
Intermediate · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Shiny (R Package), Rmarkdown, Model Evaluation, Regression Analysis, Leaflet (Software), Exploratory Data Analysis, Statistical Inference, Predictive Modeling, Statistical Hypothesis Testing, Machine Learning Algorithms, Plotly, Interactive Data Visualization, Probability & Statistics, Data Visualization, Statistical Analysis, Statistical Modeling, R Programming, Model Training, Machine Learning, GitHub
Intermediate · Specialization · 3 - 6 Months

John Wiley & Sons
Skills you'll gain: Application Security, DevSecOps, Secure Coding, Security Testing, Software Development Life Cycle, Threat Modeling, Continuous Monitoring, Security Requirements Analysis, Continuous Deployment, Security Controls, CI/CD, Program Development, Computer Security, System Monitoring, Security Awareness, Vulnerability Assessments, Product Lifecycle Management, Computer Programming
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Field-Programmable Gate Array (FPGA), Hardware Design, Laboratory Experience, Laboratory Reports, Application Specific Integrated Circuits, System Design and Implementation, Embedded Software, Embedded Systems, Electronic Hardware, Electronics Engineering, Electronic Systems, Electrical and Computer Engineering, Eclipse (Software), Test Case, Laboratory Testing, Program Development, Verification And Validation, Engineering Documentation, Microarchitecture, Computer Architecture
Build toward a degree
Intermediate · Specialization · 3 - 6 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Supply And Demand, Statistical Inference, Business Analytics, Descriptive Statistics, Sampling (Statistics), Market Dynamics, Business Planning, Statistical Hypothesis Testing, Financial Systems, Statistics, Banking Services, Bank Regulations, Financial Policy, Banking, International Finance, Data-Driven Decision-Making, Data Literacy, Data Analysis, Economics, Statistical Analysis
Build toward a degree
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Network Performance Management, Wireless Networks, Network Monitoring, Network Troubleshooting, Performance Tuning, Performance Testing, Computer Networking, Network Protocols, Verification And Validation
Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Performance Testing, Performance Stress Testing, Performance Tuning, Performance Measurement, System Configuration, Network Performance Management, Configuration Management, System Monitoring, Content Management Systems, Site Reliability Engineering, IT Infrastructure, Technical Documentation, Content Creation
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Object Oriented Programming (OOP), Javascript, Code Reusability, Web Development, Web Design and Development, Application Programming Interface (API), Web Applications, API Testing, Debugging
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: MLOps (Machine Learning Operations), Model Deployment, DevOps, CI/CD, Containerization, Application Deployment, Devops Tools, Cloud Deployment, Continuous Integration, Continuous Deployment, Docker (Software), Model Training, Model Evaluation, Restful API, Version Control, API Testing, Application Programming Interface (API), GitHub, Automation, Data Validation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Nursing Management, Nursing Administration, Bed Management, Patient Flow, Nursing and Patient Care, Nursing, Nursing Care, Health Care Administration, Nursing Practices, Care Coordination, Health Care, Progressive Care Unit, Direct Patient Care, Healthcare Industry Knowledge
Mixed · Course · 1 - 4 Weeks